542342633 has 24 divisors (see below), whose sum is σ = 650449800. Its totient is φ = 450551808.

The previous prime is 542342621. The next prime is 542342651. The reversal of 542342633 is 336243245.

It can be written as a sum of positive squares in 4 ways, for example, as 92775424 + 449567209 = 9632^2 + 21203^2 .

It is not a de Polignac number, because 542342633 - 2⁶ = 542342569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 542342633.

It is not an unprimeable number, because it can be changed into a prime (542332633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 704873 + ... + 705641.

It is an arithmetic number, because the mean of its divisors is an integer number (27102075).

Almost surely, 2^542342633 is an apocalyptic number.

It is an amenable number.

542342633 is a deficient number, since it is larger than the sum of its proper divisors (108107167).

542342633 is a wasteful number, since it uses less digits than its factorization.

542342633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209 (or 1202 counting only the distinct ones).

The product of its digits is 51840, while the sum is 32.

The square root of 542342633 is about 23288.2509648106. The cubic root of 542342633 is about 815.5011573844.

Adding to 542342633 its reverse (336243245), we get a palindrome (878585878).

The spelling of 542342633 in words is "five hundred forty-two million, three hundred forty-two thousand, six hundred thirty-three".